Ezigbo Uche Banyere Ugwu St Helens

01 nke 05

Okwu Mmalite nke Ugwu St. Helens

Ugwu St. Helens bụ otu n'ime ọtụtụ ugwu ugwu ugwu Pacific. Akụkụ nke ihe a maara dị ka Pacific Rim nke Fire, Ugwu St. Helens bụ ama n'ihi na ọ na-adịbeghị anya na ịnọgide na-arụ ọrụ. Ugwu St. Helens n'etiti Cascade Mountain Range na steeti Washington, ihe dị n'etiti n'etiti Seattle na Portland.

A na-echekwa ugwu ahụ, yana mpaghara gbara ọkụ gburugburu, dịka ugwu ugwu St. Helens National Volcanoic Ncheta. A na-ekwe ka odide dị n'ime ihe ncheta ahụ mee ihe nke aka ya iji weghachi, na-emepụta ahụmahụ mmụta na-adọrọ mmasị maka ndị ọkà mmụta sayensị na ọha na eze. Ndị nleta na ugwu St. Helens National Volcanoic Ncheta ga-achọta ọtụtụ ebe ndị ọbịa na- adọrọ mmasị na ọtụtụ ihe dị ịtụnanya.

Banyere mmalite nke Ugwu St. Helens n'afọ 1980: Usoro ihe omume

Banyere mmalite nke Ugwu St. Helens: Mmetụta

Ugwu nke ugwu St. Helens

Mount St. Helens Ọrụ site na Akụkọ

02 nke 05

Banyere mmalite nke Ugwu St. Helens n'afọ 1980: Usoro ihe omume

Ugwu St. Helens gbawara n'elekere 8:32 nke ụtụtụ PST na May 18, 1980, na-echetara ndị bi n'Ebe Ọdịda Anyanwụ Pacific na ndị mmadụ gburugburu ụwa nke ike na ndị na-enweghị ike ịchịkwa ikike nke okike. Mmetụta dị iche iche nke ọdịda ahụ dị na ọtụtụ nchịkwa United States, ebe ash na-ada ada dị ka Oklahoma. Gaa n'Ugwu St. Helens onwe gị ka ị mụtakwuo ihe banyere akụkọ mgbawa na ọnọdụ dị ugbu a.

Usoro nke ihe mere n'oge May 18 nke Ugwu St. Helens:

• Ala ọma jijiji nke 5.1
• Mwakpo na ebe gbara ya gburugburu nke dị n'ugwu nke ugwu ahụ gbapụrụ, na-akpata nnukwu nnukwu nkume, apịtị, na mpempe akwụkwọ nke jupụtara na kilomita 24 nke ndagwurugwu
• Ihe nkwụsị nke nrụgide sitere n'ime ugwu mgbawa ahụ wepụtara otu ntụ na ash

Usoro ihe omume nke na - eduga ná ngwụsị: March - May, 1980

Ọ malitere na March 15, 1980, mgbe Ugwu St. Helens malitere oge ọrụ nrịgo dị ala. Ka ọrụ ahụ na-arị elu, ugwu mgbawa ahụ nọ na-edebe anyị niile na nsọtụ oche anyị. Nke a bụ isi ihe sitere na ihe ndị na-eduga na isi nke May 18, na ngbanwe usoro oge.

Mee 17, 1980
Ndị ọrụ mmanye iwu na-ebuga ihe dịka 50 ndị na-ere ihe onwunwe n'ime Mpaghara Red wee weghachite ihe onwunwe.

Mee 7-13, 1980
A na-esite n'igwe ọkụ gbapụ obere ụgbọ elu nke steam na ash. Ala ọma jijiji ndị na-emepụta ihe ruru elu 4.9.

April 29, 1980
Ndị ọchịchị gọọmenti gwara gọvanọ ka ha mechie nnukwu mpaghara gburugburu ugwu mgbawa ahụ. Atụmatụ a na-akpọ mpaghara Red (enweghị ohere ọha na eze) na Blue Zone (ohere a kpachiri). Ndị ọchịchị na-ahụ maka ọrụ mberede na-enwe nkụda mmụọ n'ihi na ọha na eze pụtara na ha amaghị ihe ize ndụ ahụ.

March 27 ruo April 18, 1980
Ala ọma jijiji na mgbawa na-efe efe na-apụ na n'oge a.

March 20, 1980
Ogologo ala oma 4.1, n'adịghi ka o bula a choputara na mpaghara a, mere na nsi ugwu ugwu nke ugwu St. Helens. Ndị ọkà mmụta sayensị ejighị n'aka ma ala ọma jijiji mbụ ndị a metụtara ọrụ mgbawa. Ha kpebiri itinye ndokwa sụmịnụ ọzọ ka ha wee nwee ike iji nlezianya hụ ọrụ ọrụ n'ọdịnihu.

March 15-19, 1980
A na-edekọ ọtụtụ ala ọma jijiji, ma anaghi amata ha dị ka ndị na-aga n'ihu na-arụ ọrụ mgbawa.

Isi ihe data: USGS / Cascades Volcano Observatory. Lelee ebe nrụọrụ weebụ a maka usoro ihe omumu nke ozo.

03 nke 05

Banyere mmalite nke Ugwu St. Helens: Mmetụta

Mmetụta nke mgbapụta nke Ugwu St. Helens n'afọ 1980 gụnyere:

• Ugwu St. Helens dị ala karịa ihe karịrị mita 1,300
• Osimiri mgbawa dara dị kilomita iri atọ na iri
• Mmiri ndị na-egbuke egbuke na ebe ahịhịa mmiri na-eli ozu ndagwurugwu Nile dị ka ihe dị ka mita 50
• Ọkpụkpụ ahụ kwụsịrị ruo awa 9
• 57 mmadụ tụfuru ndụ ha, ma ọ bụ ka a na-ewere ha dị ka efu
• A gbajiri kilomita 250 nke ala
• E gburu anụmanụ "ọtụtụ" - atụmatụ bụ puku anụ ọhịa 7,000 buru ibu na ọtụtụ nde nnụnụ, azụ, na obere mamma
• Obere nkedo malitere na 1986

Eziokwu na onu ogugu enwere site na nchịkọta USGS

04 nke 05

Ugwu nke ugwu St. Helens

Naanị mgbe anyị malitere iche Ugwu St. Helens ka ọ na-edozi ala, ọkụ ọkụ ma ọ bụ ọgba aghara. Nke a bụ usoro usoro iheomume nke ọrụ n 'ugwu St. Helens na-adịbeghị anya.

2005 iji chee
Ugwu St. Helens ka na-enwe ọganihu dị ala, ụzụ nke ikuku na ikuku volcanic, obere mmepụta nke ash, na uto nke dome ọhụrụ n'ime oghere.

March 8, 2005
Ugwu ugwu St. Helens nwere ugwu mgba okpuru na-enwe obere ihe mgbawa, nke na-esi na steam na-ash plume ruru ugwu 36,000 n'ogologo elu igwe.

Jenụwarị 16, 2005
Mgbawa na-agbawa agbawa na ash na nkume dị ka mita 1 na ndagwurugwu na ash n'ebe ọwụwa anyanwụ gaa n'ugwu mgbago nke dị n'ebe ọwụwa anyanwụ.

October 11, 2004 iji chee
Ọdịdị ọhụrụ na nke pụrụ iche pụtara ìhè; ọ na-aga n'ihu na-eto ma na-agbanwe.

Ọktoba 5, 2004
Mmiri na-esiwanye ike na steam-na-ash kemgbe mmalite ọgba aghara. Ọ dịgidere otu awa. Eku ruru ihe dị ka mita 3,700 (12,000) ma na-agagharị n'ebe ugwu-n'ebe ugwu. Uzuzu uzuzu uhie na-adakwasị n'obodo Morton, Randle, na Packwood, ihe dị ka kilomita 50 site na ya. Uzuzu uhie na-emetụta n'akụkụ ọwụwa anyanwụ nke Ugwu National Park nke Rainier, 110 kilomita (70 mi) n'ebe ugwu ugwu.

October 1, 2004
Obere obere steam, na obere ash, nyere site na windo dị na ndịda nke afọ 1980-86 nke dome

September 23-25, 2004
Mmiri ala ọma jijiji na-adịghị emetụ (obere karịa ịdị elu 1) malitere na ụtụtụ nke Septemba 23, na-etubata n'ehihie na Septemba 24, mgbe ahụ, ọ jụrụ n'ehihie September 25.

Isi ihe data: USGS / Cascades Volcano Observatory

05 05

Mount St. Helens Ọrụ site na Akụkọ

Ka ugwu na-aga, Mount St. Helens bụ nwata. Ihe ndekọ kachasị amara nke ugwu ugwu ahụ gbawara n'ihe dị ka afọ 50-40,000 gara aga, na cone nke dara ada na 1980 bụ nanị 2200 afọ. Ụfọdụ ndị Indian nke Pacific Northwest dị iche iche a na-akpọ Mount St. Helens "Louwala-Clough," ma ọ bụ "ugwu na-ese anwụrụ." Aha nke oge a, Mount St. Helens, nyere na ugwu mgbawa na 1792 site na Captain George Vancouver nke Royal Royal Navy, onye na-eme ihe nkiri na onye nyocha. Ọ kpọrọ ya maka asọpụrụ onye agbata obi ya, bụ Alleyne Fitzherbert, onye nwere aha Baron St. Helens na onye nọ n'oge ahụ bụ onye nnọchiteanya Britain na Spain. Vancouver na-akpọkwa ugwu mgbawa atọ na Cascades - Maker Baker, Hood, na Rainier - maka ndị isi ụgbọ mmiri Britain.

Nke a bụ isi ihe dị n'Ugwu St. Helens na-arụ ọrụ n'ime afọ 2000 gara aga:

Oge Ọgba Ọhịa

Ihe dika 1800 AD
Oge mgbagwoju anya a diri 100-150. Ihe ndị a maara na-agụnye mgbawa uhie na 1842, nke e tinyere site na extrusion nke ndị ọchịchị Goat Rocks. Ihe ndekọ nke oge a na-egosi ọrụ ọtụtụ ugboro na 1840 na afọ 1850, ma ha abụghị ndị a kapịrị ọnụ na ọbụna na-emegide. Ọrụ ikpeazụ dị mkpa tupu afọ 1980 bụ "oké anwụrụ ọkụ na ọkụ" na 1857, ọ bụ ezie na ọ bụ obere, ndị a na-enweghị nkwenye na-akọ na 1898, 1903, na 1921

Oge Kalama

1479 ruo 1482 AD
Oge mgbagwoju a tinyere abuo uzo abuo di iche iche, dika ozo na ulo ogwu.

Akara Sugar Oge Oge

Ihe dị ka 800 AD
Uzo St. Helens weghagharia site na nchikota ulo oru dome, ugbua ozo, na pyroclastic na-agagharia n'oge a.

Oge Kasị Elu nke Castle Creek

200 BC ruo 300 AD
Ihe ndi ozo n'oge a bu ihe ndi ozo nke ash, pyroclastic na-agba, na mmiri na-aga.

Isi ihe data: USGS / Cascades Volcano Observatory: Mount St. Helens History Drop